| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB/T 1859.4-2017 | English | 419 |
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Days<=4
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Reciprocating internal combustion engines -- Measurement of sound power level using sound pressure -- Part 4: Survey method using a reference sound source
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GB/T 1859.4-2017
| Valid |
GB/T 1859.4-2017
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